configure: remove some dead cruft
[qemu/kevin.git] / configure
blob0994f54530c8e0319f49e5274747c59f31d39bde
1 #!/bin/sh
3 # qemu configure script (c) 2003 Fabrice Bellard
6 # Unset some variables known to interfere with behavior of common tools,
7 # just as autoconf does. Unlike autoconf, we assume that unset exists.
8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
10 # Don't allow CCACHE, if present, to use cached results of compile tests!
11 export CCACHE_RECACHE=yes
13 # make source path absolute
14 source_path=$(cd "$(dirname -- "$0")"; pwd)
16 if test "$PWD" = "$source_path"
17 then
18 echo "Using './build' as the directory for build output"
20 MARKER=build/auto-created-by-configure
22 if test -e build
23 then
24 if test -f $MARKER
25 then
26 rm -rf build
27 else
28 echo "ERROR: ./build dir already exists and was not previously created by configure"
29 exit 1
33 if ! mkdir build || ! touch $MARKER
34 then
35 echo "ERROR: Could not create ./build directory. Check the permissions on"
36 echo "your source directory, or try doing an out-of-tree build."
37 exit 1
40 cat > GNUmakefile <<'EOF'
41 # This file is auto-generated by configure to support in-source tree
42 # 'make' command invocation
44 ifeq ($(MAKECMDGOALS),)
45 recurse: all
46 endif
48 .NOTPARALLEL: %
49 %: force
50 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
51 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
52 @if test "$(MAKECMDGOALS)" = "distclean" && \
53 test -e build/auto-created-by-configure ; \
54 then \
55 rm -rf build GNUmakefile ; \
57 force: ;
58 .PHONY: force
59 GNUmakefile: ;
61 EOF
62 cd build
63 exec "$source_path/configure" "$@"
66 # Temporary directory used for files created while
67 # configure runs. Since it is in the build directory
68 # we can safely blow away any previous version of it
69 # (and we need not jump through hoops to try to delete
70 # it when configure exits.)
71 TMPDIR1="config-temp"
72 rm -rf "${TMPDIR1}"
73 if ! mkdir -p "${TMPDIR1}"; then
74 echo "ERROR: failed to create temporary directory"
75 exit 1
78 TMPB="qemu-conf"
79 TMPC="${TMPDIR1}/${TMPB}.c"
80 TMPO="${TMPDIR1}/${TMPB}.o"
81 TMPE="${TMPDIR1}/${TMPB}.exe"
83 rm -f config.log
85 # Print a helpful header at the top of config.log
86 echo "# QEMU configure log $(date)" >> config.log
87 printf "# Configured with:" >> config.log
88 # repeat the invocation to log and stdout for CI
89 invoke=$(printf " '%s'" "$0" "$@")
90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
91 { echo "$invoke"; echo; echo "#"; } >> config.log
93 quote_sh() {
94 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
97 error_exit() {
98 (echo
99 echo "ERROR: $1"
100 while test -n "$2"; do
101 echo " $2"
102 shift
103 done
104 echo) >&2
105 exit 1
108 do_compiler() {
109 # Run the compiler, capturing its output to the log. First argument
110 # is compiler binary to execute.
111 compiler="$1"
112 shift
113 if test -n "$BASH_VERSION"; then eval '
114 echo >>config.log "
115 funcs: ${FUNCNAME[*]}
116 lines: ${BASH_LINENO[*]}"
117 '; fi
118 echo $compiler "$@" >> config.log
119 $compiler "$@" >> config.log 2>&1 || return $?
122 do_cc() {
123 do_compiler "$cc" $CPU_CFLAGS "$@"
126 compile_object() {
127 local_cflags="$1"
128 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
131 compile_prog() {
132 local_cflags="$1"
133 local_ldflags="$2"
134 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
135 $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
138 # symbolically link $1 to $2. Portable version of "ln -sf".
139 symlink() {
140 rm -rf "$2"
141 mkdir -p "$(dirname "$2")"
142 ln -s "$1" "$2"
145 # check whether a command is available to this shell (may be either an
146 # executable or a builtin)
147 has() {
148 type "$1" >/dev/null 2>&1
151 version_ge () {
152 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
153 local_ver2=$(echo "$2" | tr . ' ')
154 while true; do
155 set x $local_ver1
156 local_first=${2-0}
157 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
158 shift ${2:+2}
159 local_ver1=$*
160 set x $local_ver2
161 # the second argument finished, the first must be greater or equal
162 test $# = 1 && return 0
163 test $local_first -lt $2 && return 1
164 test $local_first -gt $2 && return 0
165 shift ${2:+2}
166 local_ver2=$*
167 done
170 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
171 then
172 error_exit "main directory cannot contain spaces nor colons"
175 # parse CC options first; some compiler tests are used to establish
176 # some defaults, based on the host environment
178 # default parameters
179 container_engine="auto"
180 cpu=""
181 cross_compile="no"
182 cross_prefix=""
183 host_cc="cc"
184 EXTRA_CFLAGS=""
185 EXTRA_CXXFLAGS=""
186 EXTRA_OBJCFLAGS=""
187 EXTRA_LDFLAGS=""
189 # Default value for a variable defining feature "foo".
190 # * foo="no" feature will only be used if --enable-foo arg is given
191 # * foo="" feature will be searched for, and if found, will be used
192 # unless --disable-foo is given
193 # * foo="yes" this value will only be set by --enable-foo flag.
194 # feature will searched for,
195 # if not found, configure exits with error
197 # Always add --enable-foo and --disable-foo command line args.
198 # Distributions want to ensure that several features are compiled in, and it
199 # is impossible without a --enable-foo that exits if a feature is not found.
200 default_feature=""
202 for opt do
203 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
204 case "$opt" in
205 --cross-prefix=*) cross_prefix="$optarg"
206 cross_compile="yes"
208 --cc=*) CC="$optarg"
210 --cxx=*) CXX="$optarg"
212 --objcc=*) objcc="$optarg"
214 --cpu=*) cpu="$optarg"
216 --extra-cflags=*)
217 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
218 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
219 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
221 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
223 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
225 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
227 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
229 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
230 eval "cross_cc_cflags_${cc_arch}=\$optarg"
232 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
233 eval "cross_cc_${cc_arch}=\$optarg"
235 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
237 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
238 eval "cross_prefix_${cc_arch}=\$optarg"
240 --without-default-features) default_feature="no"
242 esac
243 done
245 default_cflags='-O2 -g'
246 git_submodules_action="update"
247 docs="auto"
248 EXESUF=""
249 prefix="/usr/local"
250 qemu_suffix="qemu"
251 system="yes"
252 linux_user=""
253 bsd_user=""
254 plugins="$default_feature"
255 subdirs=""
256 ninja=""
257 python=
258 download="enabled"
259 bindir="bin"
260 skip_meson=no
261 use_containers="yes"
262 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
263 gdb_arches=""
264 werror=""
266 # Don't accept a target_list environment variable.
267 unset target_list
268 unset target_list_exclude
270 # The following Meson options are handled manually (still they
271 # are included in the automatically generated help message)
272 # because they automatically enable/disable other options
273 tcg="auto"
274 cfi="false"
276 # Meson has PIE as a boolean rather than enabled/disabled/auto,
277 # and we also need to check for -static-pie before Meson runs
278 # which requires knowing whether --static is enabled.
279 pie=""
280 static="no"
282 # Preferred compiler:
283 # ${CC} (if set)
284 # ${cross_prefix}gcc (if cross-prefix specified)
285 # system compiler
286 if test -z "${CC}${cross_prefix}"; then
287 cc="cc"
288 else
289 cc="${CC-${cross_prefix}gcc}"
292 if test -z "${CXX}${cross_prefix}"; then
293 cxx="c++"
294 else
295 cxx="${CXX-${cross_prefix}g++}"
298 # Preferred ObjC compiler:
299 # $objcc (if set, i.e. via --objcc option)
300 # ${cross_prefix}clang (if cross-prefix specified)
301 # clang (if available)
302 # $cc
303 if test -z "${objcc}${cross_prefix}"; then
304 if has clang; then
305 objcc=clang
306 else
307 objcc="$cc"
309 else
310 objcc="${objcc-${cross_prefix}clang}"
313 ar="${AR-${cross_prefix}ar}"
314 as="${AS-${cross_prefix}as}"
315 ccas="${CCAS-$cc}"
316 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
317 ld="${LD-${cross_prefix}ld}"
318 ranlib="${RANLIB-${cross_prefix}ranlib}"
319 nm="${NM-${cross_prefix}nm}"
320 smbd="$SMBD"
321 strip="${STRIP-${cross_prefix}strip}"
322 widl="${WIDL-${cross_prefix}widl}"
323 windres="${WINDRES-${cross_prefix}windres}"
324 windmc="${WINDMC-${cross_prefix}windmc}"
325 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
326 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
328 check_define() {
329 cat > $TMPC <<EOF
330 #if !defined($1)
331 #error $1 not defined
332 #endif
333 int main(void) { return 0; }
335 compile_object
338 write_c_skeleton() {
339 cat > $TMPC <<EOF
340 int main(void) { return 0; }
344 if check_define __linux__ ; then
345 targetos=linux
346 elif check_define _WIN32 ; then
347 targetos=windows
348 elif check_define __OpenBSD__ ; then
349 targetos=openbsd
350 elif check_define __sun__ ; then
351 targetos=sunos
352 elif check_define __HAIKU__ ; then
353 targetos=haiku
354 elif check_define __FreeBSD__ ; then
355 targetos=freebsd
356 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
357 targetos=gnu/kfreebsd
358 elif check_define __DragonFly__ ; then
359 targetos=dragonfly
360 elif check_define __NetBSD__; then
361 targetos=netbsd
362 elif check_define __APPLE__; then
363 targetos=darwin
364 else
365 # This is a fatal error, but don't report it yet, because we
366 # might be going to just print the --help text, or it might
367 # be the result of a missing compiler.
368 targetos=bogus
371 if test ! -z "$cpu" ; then
372 # command line argument
374 elif check_define __i386__ ; then
375 cpu="i386"
376 elif check_define __x86_64__ ; then
377 if check_define __ILP32__ ; then
378 cpu="x32"
379 else
380 cpu="x86_64"
382 elif check_define __sparc__ ; then
383 if check_define __arch64__ ; then
384 cpu="sparc64"
385 else
386 cpu="sparc"
388 elif check_define _ARCH_PPC ; then
389 if check_define _ARCH_PPC64 ; then
390 if check_define _LITTLE_ENDIAN ; then
391 cpu="ppc64le"
392 else
393 cpu="ppc64"
395 else
396 cpu="ppc"
398 elif check_define __mips__ ; then
399 cpu="mips"
400 elif check_define __s390__ ; then
401 if check_define __s390x__ ; then
402 cpu="s390x"
403 else
404 cpu="s390"
406 elif check_define __riscv ; then
407 if check_define _LP64 ; then
408 cpu="riscv64"
409 else
410 cpu="riscv32"
412 elif check_define __arm__ ; then
413 cpu="arm"
414 elif check_define __aarch64__ ; then
415 cpu="aarch64"
416 elif check_define __loongarch64 ; then
417 cpu="loongarch64"
418 else
419 # Using uname is really broken, but it is just a fallback for architectures
420 # that are going to use TCI anyway
421 cpu=$(uname -m)
422 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
425 # Normalise host CPU name to the values used by Meson cross files and in source
426 # directories, and set multilib cflags. The canonicalization isn't really
427 # necessary, because the architectures that we check for should not hit the
428 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
430 # Note that this case should only have supported host CPUs, not guests.
431 # Please keep it sorted and synchronized with meson.build's host_arch.
432 host_arch=
433 linux_arch=
434 case "$cpu" in
435 aarch64)
436 host_arch=aarch64
437 linux_arch=arm64
440 armv*b|armv*l|arm)
441 cpu=arm
442 host_arch=arm
443 linux_arch=arm
446 i386|i486|i586|i686)
447 cpu="i386"
448 host_arch=i386
449 linux_arch=x86
450 CPU_CFLAGS="-m32"
453 loongarch*)
454 cpu=loongarch64
455 host_arch=loongarch64
458 mips64*)
459 cpu=mips64
460 host_arch=mips
461 linux_arch=mips
463 mips*)
464 cpu=mips
465 host_arch=mips
466 linux_arch=mips
469 ppc)
470 host_arch=ppc
471 linux_arch=powerpc
472 CPU_CFLAGS="-m32"
474 ppc64)
475 host_arch=ppc64
476 linux_arch=powerpc
477 CPU_CFLAGS="-m64 -mbig-endian"
479 ppc64le)
480 cpu=ppc64
481 host_arch=ppc64
482 linux_arch=powerpc
483 CPU_CFLAGS="-m64 -mlittle-endian"
486 riscv32 | riscv64)
487 host_arch=riscv
488 linux_arch=riscv
491 s390)
492 linux_arch=s390
493 CPU_CFLAGS="-m31"
495 s390x)
496 host_arch=s390x
497 linux_arch=s390
498 CPU_CFLAGS="-m64"
501 sparc|sun4[cdmuv])
502 cpu=sparc
503 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
505 sparc64)
506 host_arch=sparc64
507 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
510 x32)
511 cpu="x86_64"
512 host_arch=x86_64
513 linux_arch=x86
514 CPU_CFLAGS="-mx32"
516 x86_64|amd64)
517 cpu="x86_64"
518 host_arch=x86_64
519 linux_arch=x86
520 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
521 # If we truly care, we should simply detect this case at
522 # runtime and generate the fallback to serial emulation.
523 CPU_CFLAGS="-m64 -mcx16"
525 esac
527 if test -n "$host_arch" && {
528 ! test -d "$source_path/linux-user/include/host/$host_arch" ||
529 ! test -d "$source_path/common-user/host/$host_arch"; }; then
530 error_exit "linux-user/include/host/$host_arch does not exist." \
531 "This is a bug in the configure script, please report it."
533 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
534 error_exit "linux-headers/asm-$linux_arch does not exist." \
535 "This is a bug in the configure script, please report it."
538 check_py_version() {
539 # We require python >= 3.8.
540 # NB: a True python conditional creates a non-zero return code (Failure)
541 "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
544 first_python=
545 if test -z "${PYTHON}"; then
546 # A bare 'python' is traditionally python 2.x, but some distros
547 # have it as python 3.x, so check in both places.
548 for binary in python3 python python3.12 python3.11 \
549 python3.10 python3.9 python3.8; do
550 if has "$binary"; then
551 python=$(command -v "$binary")
552 if check_py_version "$python"; then
553 # This one is good.
554 first_python=
555 break
556 else
557 first_python=$python
560 done
561 else
562 # Same as above, but only check the environment variable.
563 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
564 python=$(command -v "$PYTHON")
565 if check_py_version "$python"; then
566 # This one is good.
567 first_python=
568 else
569 first_python=$first_python
573 # Check for ancillary tools used in testing
574 genisoimage=
575 for binary in genisoimage mkisofs
577 if has $binary
578 then
579 genisoimage=$(command -v "$binary")
580 break
582 done
584 if test "$targetos" = "windows" ; then
585 EXESUF=".exe"
586 prefix="/qemu"
587 bindir=""
588 qemu_suffix=""
591 meson_option_build_array() {
592 printf '['
593 (if test "$targetos" = windows; then
594 IFS=\;
595 else
596 IFS=:
598 for e in $1; do
599 printf '"""'
600 # backslash escape any '\' and '"' characters
601 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
602 printf '""",'
603 done)
604 printf ']\n'
607 . "$source_path/scripts/meson-buildoptions.sh"
609 meson_options=
610 meson_option_add() {
611 local arg
612 for arg; do
613 meson_options="$meson_options $(quote_sh "$arg")"
614 done
616 meson_option_parse() {
617 meson_options="$meson_options $(_meson_option_parse "$@")"
618 if test $? -eq 1; then
619 echo "ERROR: unknown option $1"
620 echo "Try '$0 --help' for more information"
621 exit 1
625 for opt do
626 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
627 case "$opt" in
628 --help|-h) show_help=yes
630 --version|-V) exec cat "$source_path/VERSION"
632 --prefix=*) prefix="$optarg"
634 --cross-prefix=*)
636 --cc=*)
638 --host-cc=*) host_cc="$optarg"
640 --cxx=*)
642 --objcc=*)
644 --make=*)
646 --install=*)
648 --python=*) python="$optarg"
650 --skip-meson) skip_meson=yes
652 --ninja=*) ninja="$optarg"
654 --smbd=*) smbd="$optarg"
656 --extra-cflags=*)
658 --extra-cxxflags=*)
660 --extra-objcflags=*)
662 --extra-ldflags=*)
664 --cross-cc-*)
666 --cross-prefix-*)
668 --enable-docs) docs=enabled
670 --disable-docs) docs=disabled
672 --cpu=*)
674 --target-list=*) target_list="$optarg"
675 if test "$target_list_exclude"; then
676 error_exit "Can't mix --target-list with --target-list-exclude"
679 --target-list-exclude=*) target_list_exclude="$optarg"
680 if test "$target_list"; then
681 error_exit "Can't mix --target-list-exclude with --target-list"
684 --with-default-devices) meson_option_add -Ddefault_devices=true
686 --without-default-devices) meson_option_add -Ddefault_devices=false
688 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
690 --with-devices-*) device_arch=${opt#--with-devices-};
691 device_arch=${device_arch%%=*}
692 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
693 if test -f "$cf"; then
694 device_archs="$device_archs $device_arch"
695 eval "devices_${device_arch}=\$optarg"
696 else
697 error_exit "File $cf does not exist"
700 --without-default-features) # processed above
702 --static) static="yes"
704 --bindir=*) bindir="$optarg"
706 --with-suffix=*) qemu_suffix="$optarg"
708 --host=*|--build=*|\
709 --disable-dependency-tracking|\
710 --sbindir=*|--sharedstatedir=*|\
711 --oldincludedir=*|--datarootdir=*|--infodir=*|\
712 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
713 # These switches are silently ignored, for compatibility with
714 # autoconf-generated configure scripts. This allows QEMU's
715 # configure to be used by RPM and similar macros that set
716 # lots of directory switches by default.
718 --enable-debug)
719 # Enable debugging options that aren't excessively noisy
720 meson_option_parse --enable-debug-tcg ""
721 meson_option_parse --enable-debug-graph-lock ""
722 meson_option_parse --enable-debug-mutex ""
723 meson_option_add -Doptimization=0
724 default_cflags='-O0 -g'
726 --disable-tcg) tcg="disabled"
728 --enable-tcg) tcg="enabled"
730 --disable-system) system="no"
732 --enable-system) system="yes"
734 --disable-user)
735 linux_user="no" ;
736 bsd_user="no" ;
738 --enable-user) ;;
739 --disable-linux-user) linux_user="no"
741 --enable-linux-user) linux_user="yes"
743 --disable-bsd-user) bsd_user="no"
745 --enable-bsd-user) bsd_user="yes"
747 --enable-pie) pie="yes"
749 --disable-pie) pie="no"
751 --enable-werror) werror="yes"
753 --disable-werror) werror="no"
755 --enable-cfi) cfi=true
757 --disable-cfi) cfi=false
759 --disable-download) download="disabled"; git_submodules_action=validate;
761 --enable-download) download="enabled"; git_submodules_action=update;
763 --enable-plugins) plugins="yes"
765 --disable-plugins) plugins="no"
767 --enable-containers) use_containers="yes"
769 --disable-containers) use_containers="no"
771 --container-engine=*) container_engine="$optarg"
773 --gdb=*) gdb_bin="$optarg"
775 # everything else has the same name in configure and meson
776 --*) meson_option_parse "$opt" "$optarg"
778 # Pass through -Dxxxx options to meson
779 -D*) meson_options="$meson_options $opt"
781 esac
782 done
784 if ! test -e "$source_path/.git"
785 then
786 git_submodules_action="validate"
789 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
790 && test "$download" = disabled
791 then
792 echo
793 echo "ERROR: missing subprojects"
794 echo
795 if test -e "$source_path/.git"; then
796 echo "--disable-download specified but subprojects were not"
797 echo 'checked out. Please invoke "meson subprojects download"'
798 echo "before configuring QEMU, or remove --disable-download"
799 echo "from the command line."
800 else
801 echo "This is not a GIT checkout but subproject content appears to"
802 echo "be missing. Do not use 'git archive' or GitHub download links"
803 echo "to acquire QEMU source archives. Non-GIT builds are only"
804 echo "supported with source archives linked from:"
805 echo
806 echo " https://www.qemu.org/download/#source"
807 echo
808 echo "Developers working with GIT can use scripts/archive-source.sh"
809 echo "if they need to create valid source archives."
811 echo
812 exit 1
815 default_target_list=""
816 mak_wilds=""
818 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
819 if [ "$linux_user" != no ]; then
820 if [ "$targetos" = linux ]; then
821 linux_user=yes
822 elif [ "$linux_user" = yes ]; then
823 error_exit "linux-user not supported on this architecture"
825 if [ "$linux_user" = "yes" ]; then
826 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
829 if [ "$bsd_user" != no ]; then
830 if [ "$bsd_user" = "" ]; then
831 test $targetos = freebsd && bsd_user=yes
833 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
834 error_exit "bsd-user not supported on this host OS"
836 if [ "$bsd_user" = "yes" ]; then
837 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
840 else
841 if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
842 error_exit "user mode emulation not supported on this architecture"
845 if [ "$system" = "yes" ]; then
846 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
849 for config in $mak_wilds; do
850 target="$(basename "$config" .mak)"
851 if echo "$target_list_exclude" | grep -vq "$target"; then
852 default_target_list="${default_target_list} $target"
854 done
856 if test x"$show_help" = x"yes" ; then
857 cat << EOF
859 Usage: configure [options]
860 Options: [defaults in brackets after descriptions]
862 Standard options:
863 --help print this message
864 --prefix=PREFIX install in PREFIX [$prefix]
865 --target-list=LIST set target list (default: build all)
866 $(echo Available targets: $default_target_list | \
867 fold -s -w 53 | sed -e 's/^/ /')
868 --target-list-exclude=LIST exclude a set of targets from the default target-list
870 Advanced options (experts only):
871 -Dmesonoptname=val passthrough option to meson unmodified
872 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
873 --cc=CC use C compiler CC [$cc]
874 --host-cc=CC when cross compiling, use C compiler CC for code run
875 at build time [$host_cc]
876 --cxx=CXX use C++ compiler CXX [$cxx]
877 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
878 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
879 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
880 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
881 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
882 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
883 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
884 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
885 --python=PYTHON use specified python [$python]
886 --ninja=NINJA use specified ninja [$ninja]
887 --smbd=SMBD use specified smbd [$smbd]
888 --static enable static build [$static]
889 --bindir=PATH install binaries in PATH
890 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
891 --without-default-features default all --enable-* options to "disabled"
892 --without-default-devices do not include any device that is not needed to
893 start the emulator (only use if you are including
894 desired devices in configs/devices/)
895 --with-devices-ARCH=NAME override default configs/devices
896 --enable-debug enable common debug build options
897 --disable-werror disable compilation abort on warning
898 --cpu=CPU Build for host CPU [$cpu]
899 --disable-containers don't use containers for cross-building
900 --container-engine=TYPE which container engine to use [$container_engine]
901 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
903 meson_options_help
904 cat << EOF
905 system all system emulation targets
906 user supported user emulation targets
907 linux-user all linux usermode emulation targets
908 bsd-user all BSD usermode emulation targets
909 pie Position Independent Executables
911 NOTE: The object files are built at the place where configure is launched
913 exit 0
916 # Remove old dependency files to make sure that they get properly regenerated
917 rm -f ./*/config-devices.mak.d
919 if test -z "$python"
920 then
921 # If first_python is set, there was a binary somewhere even though
922 # it was not suitable. Use it for the error message.
923 if test -n "$first_python"; then
924 error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
925 "Use --python=/path/to/python to specify a supported Python."
926 else
927 error_exit "Python not found. Use --python=/path/to/python"
931 if ! check_py_version "$python"; then
932 error_exit "Cannot use '$python', Python >= 3.8 is required." \
933 "Use --python=/path/to/python to specify a supported Python." \
934 "Maybe try:" \
935 " openSUSE Leap 15.3+: zypper install python39" \
936 " CentOS 8: dnf install python38"
939 # Resolve PATH
940 python="$(command -v "$python")"
942 # Create a Python virtual environment using our configured python.
943 # The stdout of this script will be the location of a symlink that
944 # points to the configured Python.
945 # Entry point scripts for pip, meson, and sphinx are generated if those
946 # packages are present.
948 # Defaults assumed for now:
949 # - venv is cleared if it exists already;
950 # - venv is allowed to use system packages;
951 # - all setup can be performed offline;
952 # - missing packages may be fetched from PyPI,
953 # unless --disable-download is passed.
954 # - pip is not installed into the venv when possible,
955 # but ensurepip is called as a fallback when necessary.
957 echo "python determined to be '$python'"
958 echo "python version: $($python --version)"
960 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
961 if test "$?" -ne 0 ; then
962 error_exit "python venv creation failed"
965 # Suppress writing compiled files
966 python="$python -B"
967 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
969 # Finish preparing the virtual environment using vendored .whl files
971 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
972 $mkvenv ensure --dir "${source_path}/python/wheels" \
973 'tomli>=1.2.0' || exit 1
975 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
976 ${source_path}/pythondeps.toml meson || exit 1
978 # At this point, we expect Meson to be installed and available.
979 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
980 # We ignore PATH completely here: we want to use the venv's Meson
981 # *exclusively*.
983 meson="$(cd pyvenv/bin; pwd)/meson"
985 # Conditionally ensure Sphinx is installed.
987 mkvenv_flags=""
988 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
989 mkvenv_flags="--online"
992 if test "$docs" != "disabled" ; then
993 if ! $mkvenv ensuregroup \
994 $mkvenv_flags \
995 ${source_path}/pythondeps.toml docs;
996 then
997 if test "$docs" = "enabled" ; then
998 exit 1
1000 echo "Sphinx not found/usable, disabling docs."
1001 docs=disabled
1002 else
1003 docs=enabled
1007 # Probe for ninja
1009 if test -z "$ninja"; then
1010 for c in ninja ninja-build samu; do
1011 if has $c; then
1012 ninja=$(command -v "$c")
1013 break
1015 done
1016 if test -z "$ninja"; then
1017 error_exit "Cannot find Ninja"
1021 # Consult white-list to determine whether to enable werror
1022 # by default. Only enable by default for git builds
1023 if test -z "$werror" ; then
1024 if test -e "$source_path/.git" && \
1025 { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1026 werror="yes"
1027 else
1028 werror="no"
1032 if test "$targetos" = "bogus"; then
1033 # Now that we know that we're not printing the help and that
1034 # the compiler works (so the results of the check_defines we used
1035 # to identify the OS are reliable), if we didn't recognize the
1036 # host OS we should stop now.
1037 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1040 # test for any invalid configuration combinations
1041 if test "$targetos" = "windows"; then
1042 if test "$plugins" = "yes"; then
1043 error_exit "TCG plugins not currently supported on Windows platforms"
1045 plugins="no"
1047 if test "$tcg" = "disabled" ; then
1048 if test "$plugins" = "yes"; then
1049 error_exit "Can't enable plugins on non-TCG builds"
1051 plugins="no"
1053 if test "$static" = "yes" ; then
1054 if test "$plugins" = "yes"; then
1055 error_exit "static and plugins are mutually incompatible"
1057 plugins="no"
1059 if test "$plugins" != "no"; then
1060 plugins=yes
1061 subdirs="$subdirs contrib/plugins"
1064 cat > $TMPC << EOF
1066 #ifdef __linux__
1067 # define THREAD __thread
1068 #else
1069 # define THREAD
1070 #endif
1071 static THREAD int tls_var;
1072 int main(void) { return tls_var; }
1075 if test "$targetos" = windows || test "$targetos" = haiku; then
1076 if test "$pie" = "yes"; then
1077 error_exit "PIE not available due to missing OS support"
1079 pie=no
1082 if test "$pie" != "no"; then
1083 if test "$static" = "yes"; then
1084 pie_ldflags=-static-pie
1085 else
1086 pie_ldflags=-pie
1088 if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1089 pie="yes"
1090 elif test "$pie" = "yes"; then
1091 error_exit "-static-pie not available due to missing toolchain support"
1092 else
1093 echo "Disabling PIE due to missing toolchain support"
1094 pie="no"
1098 ##########################################
1100 if test -z "${target_list+xxx}" ; then
1101 default_targets=yes
1102 for target in $default_target_list; do
1103 target_list="$target_list $target"
1104 done
1105 target_list="${target_list# }"
1106 else
1107 default_targets=no
1108 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1109 for target in $target_list; do
1110 # Check that we recognised the target name; this allows a more
1111 # friendly error message than if we let it fall through.
1112 case " $default_target_list " in
1113 *" $target "*)
1116 error_exit "Unknown target name '$target'"
1118 esac
1119 done
1122 if test "$tcg" = "auto"; then
1123 if test -z "$target_list"; then
1124 tcg="disabled"
1125 else
1126 tcg="enabled"
1130 #########################################
1131 # gdb test
1133 if test -n "$gdb_bin"; then
1134 gdb_version=$($gdb_bin --version | head -n 1)
1135 if version_ge ${gdb_version##* } 9.1; then
1136 gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1137 else
1138 gdb_bin=""
1142 ##########################################
1143 # big/little endian test
1144 cat > $TMPC << EOF
1145 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1146 # error LITTLE
1147 #endif
1148 int main(void) { return 0; }
1151 if ! compile_prog ; then
1152 bigendian="no"
1153 else
1154 cat > $TMPC << EOF
1155 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1156 # error BIG
1157 #endif
1158 int main(void) { return 0; }
1161 if ! compile_prog ; then
1162 bigendian="yes"
1163 else
1164 echo big/little test failed
1165 exit 1
1169 ##########################################
1170 # functions to probe cross compilers
1172 container="no"
1173 runc=""
1174 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1175 case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1176 *docker) container=docker ;;
1177 podman) container=podman ;;
1178 no) container=no ;;
1179 esac
1180 if test "$container" != "no"; then
1181 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1182 runc=$container
1186 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1187 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1188 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1189 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1190 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1191 : ${cross_prefix_armeb="$cross_prefix_arm"}
1192 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1193 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1194 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1195 : ${cross_prefix_i386="i686-linux-gnu-"}
1196 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1197 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1198 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1199 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1200 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1201 : ${cross_prefix_mips="mips-linux-gnu-"}
1202 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1203 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1204 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1205 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1206 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1207 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1208 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1209 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1210 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1211 : ${cross_prefix_tricore="tricore-"}
1212 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1214 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1215 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1216 : ${cross_cc_armeb="$cross_cc_arm"}
1217 : ${cross_cc_cflags_armeb="-mbig-endian"}
1218 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1219 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1220 : ${cross_cc_cflags_i386="-m32"}
1221 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1222 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1223 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1224 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1225 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1226 : ${cross_cc_sparc="$cross_cc_sparc64"}
1227 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1228 : ${cross_cc_cflags_x86_64="-m64"}
1230 compute_target_variable() {
1231 eval "$2="
1232 if eval test -n "\"\${cross_prefix_$1}\""; then
1233 if eval has "\"\${cross_prefix_$1}\$3\""; then
1234 eval "$2=\"\${cross_prefix_$1}\$3\""
1239 have_target() {
1240 for i; do
1241 case " $target_list " in
1242 *" $i "*) return 0;;
1243 *) ;;
1244 esac
1245 done
1246 return 1
1249 # probe_target_compiler TARGET
1251 # Look for a compiler for the given target, either native or cross.
1252 # Set variables target_* if a compiler is found, and container_cross_*
1253 # if a Docker-based cross-compiler image is known for the target.
1254 # Set got_cross_cc to yes/no depending on whether a non-container-based
1255 # compiler was found.
1257 # If TARGET is a user-mode emulation target, also set build_static to
1258 # "y" if static linking is possible.
1260 probe_target_compiler() {
1261 # reset all output variables
1262 got_cross_cc=no
1263 container_image=
1264 container_hosts=
1265 container_cross_cc=
1266 container_cross_ar=
1267 container_cross_as=
1268 container_cross_ld=
1269 container_cross_nm=
1270 container_cross_objcopy=
1271 container_cross_ranlib=
1272 container_cross_strip=
1274 target_arch=${1%%-*}
1275 case $target_arch in
1276 aarch64) container_hosts="x86_64 aarch64" ;;
1277 alpha) container_hosts=x86_64 ;;
1278 arm) container_hosts="x86_64 aarch64" ;;
1279 cris) container_hosts=x86_64 ;;
1280 hexagon) container_hosts=x86_64 ;;
1281 hppa) container_hosts=x86_64 ;;
1282 i386) container_hosts=x86_64 ;;
1283 loongarch64) container_hosts=x86_64 ;;
1284 m68k) container_hosts=x86_64 ;;
1285 microblaze) container_hosts=x86_64 ;;
1286 mips64el) container_hosts=x86_64 ;;
1287 mips64) container_hosts=x86_64 ;;
1288 mipsel) container_hosts=x86_64 ;;
1289 mips) container_hosts=x86_64 ;;
1290 nios2) container_hosts=x86_64 ;;
1291 ppc) container_hosts=x86_64 ;;
1292 ppc64|ppc64le) container_hosts=x86_64 ;;
1293 riscv64) container_hosts=x86_64 ;;
1294 s390x) container_hosts=x86_64 ;;
1295 sh4) container_hosts=x86_64 ;;
1296 sparc64) container_hosts=x86_64 ;;
1297 tricore) container_hosts=x86_64 ;;
1298 x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1299 xtensa*) container_hosts=x86_64 ;;
1300 esac
1302 for host in $container_hosts; do
1303 test "$container" != no || continue
1304 test "$host" = "$cpu" || continue
1305 case $target_arch in
1306 aarch64)
1307 # We don't have any bigendian build tools so we only use this for AArch64
1308 container_image=debian-arm64-cross
1309 container_cross_prefix=aarch64-linux-gnu-
1310 container_cross_cc=${container_cross_prefix}gcc
1312 alpha)
1313 container_image=debian-alpha-cross
1314 container_cross_prefix=alpha-linux-gnu-
1316 arm)
1317 # We don't have any bigendian build tools so we only use this for ARM
1318 container_image=debian-armhf-cross
1319 container_cross_prefix=arm-linux-gnueabihf-
1321 cris)
1322 container_image=fedora-cris-cross
1323 container_cross_prefix=cris-linux-gnu-
1325 hexagon)
1326 container_image=debian-hexagon-cross
1327 container_cross_prefix=hexagon-unknown-linux-musl-
1328 container_cross_cc=${container_cross_prefix}clang
1330 hppa)
1331 container_image=debian-hppa-cross
1332 container_cross_prefix=hppa-linux-gnu-
1334 i386)
1335 container_image=fedora-i386-cross
1336 container_cross_prefix=
1338 loongarch64)
1339 container_image=debian-loongarch-cross
1340 container_cross_prefix=loongarch64-unknown-linux-gnu-
1342 m68k)
1343 container_image=debian-m68k-cross
1344 container_cross_prefix=m68k-linux-gnu-
1346 microblaze)
1347 container_image=debian-microblaze-cross
1348 container_cross_prefix=microblaze-linux-musl-
1350 mips64el)
1351 container_image=debian-mips64el-cross
1352 container_cross_prefix=mips64el-linux-gnuabi64-
1354 mips64)
1355 container_image=debian-mips64-cross
1356 container_cross_prefix=mips64-linux-gnuabi64-
1358 mipsel)
1359 container_image=debian-mipsel-cross
1360 container_cross_prefix=mipsel-linux-gnu-
1362 mips)
1363 container_image=debian-mips-cross
1364 container_cross_prefix=mips-linux-gnu-
1366 nios2)
1367 container_image=debian-nios2-cross
1368 container_cross_prefix=nios2-linux-gnu-
1370 ppc)
1371 container_image=debian-powerpc-test-cross
1372 container_cross_prefix=powerpc-linux-gnu-
1373 container_cross_cc=${container_cross_prefix}gcc
1375 ppc64|ppc64le)
1376 container_image=debian-powerpc-test-cross
1377 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1378 container_cross_cc=${container_cross_prefix}gcc-10
1380 riscv64)
1381 container_image=debian-riscv64-test-cross
1382 container_cross_prefix=riscv64-linux-gnu-
1384 s390x)
1385 container_image=debian-s390x-cross
1386 container_cross_prefix=s390x-linux-gnu-
1388 sh4)
1389 container_image=debian-sh4-cross
1390 container_cross_prefix=sh4-linux-gnu-
1392 sparc64)
1393 container_image=debian-sparc64-cross
1394 container_cross_prefix=sparc64-linux-gnu-
1396 tricore)
1397 container_image=debian-tricore-cross
1398 container_cross_prefix=tricore-
1400 x86_64)
1401 container_image=debian-amd64-cross
1402 container_cross_prefix=x86_64-linux-gnu-
1404 xtensa*)
1405 container_image=debian-xtensa-cross
1407 # default to the dc232b cpu
1408 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1410 esac
1411 : ${container_cross_cc:=${container_cross_prefix}gcc}
1412 : ${container_cross_ar:=${container_cross_prefix}ar}
1413 : ${container_cross_as:=${container_cross_prefix}as}
1414 : ${container_cross_ld:=${container_cross_prefix}ld}
1415 : ${container_cross_nm:=${container_cross_prefix}nm}
1416 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1417 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1418 : ${container_cross_strip:=${container_cross_prefix}strip}
1419 done
1421 try=cross
1422 case "$target_arch:$cpu" in
1423 aarch64_be:aarch64 | \
1424 armeb:arm | \
1425 i386:x86_64 | \
1426 mips*:mips64 | \
1427 ppc*:ppc64 | \
1428 sparc:sparc64 | \
1429 "$cpu:$cpu")
1430 try='native cross' ;;
1431 esac
1432 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1433 for thistry in $try; do
1434 case $thistry in
1435 native)
1436 target_cc=$cc
1437 target_ccas=$ccas
1438 target_ar=$ar
1439 target_as=$as
1440 target_ld=$ld
1441 target_nm=$nm
1442 target_objcopy=$objcopy
1443 target_ranlib=$ranlib
1444 target_strip=$strip
1446 cross)
1447 target_cc=
1448 if eval test -n "\"\${cross_cc_$target_arch}\""; then
1449 if eval has "\"\${cross_cc_$target_arch}\""; then
1450 eval "target_cc=\"\${cross_cc_$target_arch}\""
1452 else
1453 compute_target_variable $target_arch target_cc gcc
1455 target_ccas=$target_cc
1456 compute_target_variable $target_arch target_ar ar
1457 compute_target_variable $target_arch target_as as
1458 compute_target_variable $target_arch target_ld ld
1459 compute_target_variable $target_arch target_nm nm
1460 compute_target_variable $target_arch target_objcopy objcopy
1461 compute_target_variable $target_arch target_ranlib ranlib
1462 compute_target_variable $target_arch target_strip strip
1464 esac
1466 if test -n "$target_cc"; then
1467 case $target_arch in
1468 i386|x86_64)
1469 if $target_cc --version | grep -qi "clang"; then
1470 continue
1473 esac
1474 elif test -n "$target_as" && test -n "$target_ld"; then
1475 # Special handling for assembler only targets
1476 case $target in
1477 tricore-softmmu)
1478 build_static=
1479 got_cross_cc=yes
1480 break
1483 continue
1485 esac
1486 else
1487 continue
1490 write_c_skeleton
1491 case $1 in
1492 *-softmmu)
1493 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1494 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1495 got_cross_cc=yes
1496 break
1500 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1501 build_static=y
1502 got_cross_cc=yes
1503 break
1505 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1506 build_static=
1507 got_cross_cc=yes
1508 break
1511 esac
1512 done
1513 if test $got_cross_cc != yes; then
1514 build_static=
1515 target_cc=
1516 target_ccas=
1517 target_ar=
1518 target_as=
1519 target_ld=
1520 target_nm=
1521 target_objcopy=
1522 target_ranlib=
1523 target_strip=
1525 test -n "$target_cc"
1528 write_target_makefile() {
1529 echo "EXTRA_CFLAGS=$target_cflags"
1530 if test -z "$target_cc" && test -z "$target_as"; then
1531 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1532 echo "$1: docker-image-$container_image" >> Makefile.prereqs
1533 if test -n "$container_cross_cc"; then
1534 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1535 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1537 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1538 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1539 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1540 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1541 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1542 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1543 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1544 else
1545 if test -n "$target_cc"; then
1546 echo "CC=$target_cc"
1547 echo "CCAS=$target_ccas"
1549 if test -n "$target_ar"; then
1550 echo "AR=$target_ar"
1552 if test -n "$target_as"; then
1553 echo "AS=$target_as"
1555 if test -n "$target_ld"; then
1556 echo "LD=$target_ld"
1558 if test -n "$target_nm"; then
1559 echo "NM=$target_nm"
1561 if test -n "$target_objcopy"; then
1562 echo "OBJCOPY=$target_objcopy"
1564 if test -n "$target_ranlib"; then
1565 echo "RANLIB=$target_ranlib"
1567 if test -n "$target_strip"; then
1568 echo "STRIP=$target_strip"
1573 #######################################
1574 # cross-compiled firmware targets
1576 # Set up build tree symlinks that point back into the source tree
1577 # (these can be both files and directories).
1578 # Caution: avoid adding files or directories here using wildcards. This
1579 # will result in problems later if a new file matching the wildcard is
1580 # added to the source tree -- nothing will cause configure to be rerun
1581 # so the build tree will be missing the link back to the new file, and
1582 # tests might fail. Prefer to keep the relevant files in their own
1583 # directory and symlink the directory instead.
1584 LINKS="Makefile"
1585 LINKS="$LINKS docs/config"
1586 LINKS="$LINKS pc-bios/optionrom/Makefile"
1587 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1588 LINKS="$LINKS pc-bios/vof/Makefile"
1589 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1590 LINKS="$LINKS tests/avocado tests/data"
1591 LINKS="$LINKS tests/qemu-iotests/check"
1592 LINKS="$LINKS python"
1593 LINKS="$LINKS contrib/plugins/Makefile "
1594 for f in $LINKS ; do
1595 if [ -e "$source_path/$f" ]; then
1596 symlink "$source_path/$f" "$f"
1598 done
1600 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1602 # Mac OS X ships with a broken assembler
1603 if have_target i386-softmmu x86_64-softmmu && \
1604 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1605 test "$targetos" != "haiku" && \
1606 probe_target_compiler i386-softmmu; then
1607 subdirs="$subdirs pc-bios/optionrom"
1608 config_mak=pc-bios/optionrom/config.mak
1609 echo "# Automatically generated by configure - do not modify" > $config_mak
1610 echo "TOPSRC_DIR=$source_path" >> $config_mak
1611 write_target_makefile >> $config_mak
1614 if have_target ppc-softmmu ppc64-softmmu && \
1615 probe_target_compiler ppc-softmmu; then
1616 subdirs="$subdirs pc-bios/vof"
1617 config_mak=pc-bios/vof/config.mak
1618 echo "# Automatically generated by configure - do not modify" > $config_mak
1619 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1620 write_target_makefile >> $config_mak
1623 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1624 # (which is the lowest architecture level that Clang supports)
1625 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1626 GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1627 write_c_skeleton
1628 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1629 has_z900=$?
1630 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1631 if [ $has_z900 != 0 ]; then
1632 echo "WARNING: Your compiler does not support the z900!"
1633 echo " The s390-ccw bios will only work with guest CPUs >= z10."
1635 subdirs="$subdirs pc-bios/s390-ccw"
1636 config_mak=pc-bios/s390-ccw/config-host.mak
1637 echo "# Automatically generated by configure - do not modify" > $config_mak
1638 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1639 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1640 write_target_makefile >> $config_mak
1644 #######################################
1645 # generate config-host.mak
1647 config_host_mak="config-host.mak"
1649 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1650 echo >> $config_host_mak
1652 echo all: >> $config_host_mak
1654 if test "$targetos" = "windows"; then
1655 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1656 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1657 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1660 echo "SRC_PATH=$source_path" >> $config_host_mak
1661 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1662 echo "GDB=$gdb_bin" >> $config_host_mak
1663 if test "$container" != no; then
1664 echo "RUNC=$runc" >> $config_host_mak
1666 echo "SUBDIRS=$subdirs" >> $config_host_mak
1667 echo "PYTHON=$python" >> $config_host_mak
1668 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1669 echo "MESON=$meson" >> $config_host_mak
1670 echo "NINJA=$ninja" >> $config_host_mak
1671 echo "EXESUF=$EXESUF" >> $config_host_mak
1673 # use included Linux headers for KVM architectures
1674 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1675 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1678 for target in $target_list; do
1679 target_dir="$target"
1680 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1681 case $target in
1682 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1683 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1684 esac
1685 done
1687 if test "$default_targets" = "yes"; then
1688 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1691 # contrib/plugins configuration
1692 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1693 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1694 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1695 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1696 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1697 if test "$targetos" = darwin; then
1698 echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1701 # tests/tcg configuration
1702 (config_host_mak=tests/tcg/config-host.mak
1703 mkdir -p tests/tcg
1704 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1705 echo "SRC_PATH=$source_path" >> $config_host_mak
1707 tcg_tests_targets=
1708 for target in $target_list; do
1709 arch=${target%%-*}
1711 case $target in
1712 xtensa*-linux-user)
1713 # the toolchain is not complete with headers, only build system tests
1714 continue
1716 *-softmmu)
1717 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1718 qemu="qemu-system-$arch"
1720 *-linux-user|*-bsd-user)
1721 qemu="qemu-$arch"
1723 esac
1725 if probe_target_compiler $target || test -n "$container_image"; then
1726 test -n "$container_image" && build_static=y
1727 mkdir -p "tests/tcg/$target"
1728 config_target_mak=tests/tcg/$target/config-target.mak
1729 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1730 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1731 echo "TARGET_NAME=$arch" >> "$config_target_mak"
1732 echo "TARGET=$target" >> "$config_target_mak"
1733 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1734 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1735 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1737 # will GDB work with these binaries?
1738 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1739 echo "GDB=$gdb_bin" >> $config_target_mak
1742 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1743 tcg_tests_targets="$tcg_tests_targets $target"
1745 done
1747 if test "$tcg" = "enabled"; then
1748 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1752 if test "$skip_meson" = no; then
1753 cross="config-meson.cross.new"
1754 meson_quote() {
1755 test $# = 0 && return
1756 echo "'$(echo $* | sed "s/ /','/g")'"
1759 echo "# Automatically generated by configure - do not modify" > $cross
1760 echo "[properties]" >> $cross
1762 # unroll any custom device configs
1763 for a in $device_archs; do
1764 eval "c=\$devices_${a}"
1765 echo "${a}-softmmu = '$c'" >> $cross
1766 done
1768 echo "[built-in options]" >> $cross
1769 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1770 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1771 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1772 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1773 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1774 echo "[binaries]" >> $cross
1775 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1776 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1777 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1778 echo "ar = [$(meson_quote $ar)]" >> $cross
1779 echo "nm = [$(meson_quote $nm)]" >> $cross
1780 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1781 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1782 if has $sdl2_config; then
1783 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1785 echo "strip = [$(meson_quote $strip)]" >> $cross
1786 echo "widl = [$(meson_quote $widl)]" >> $cross
1787 echo "windres = [$(meson_quote $windres)]" >> $cross
1788 echo "windmc = [$(meson_quote $windmc)]" >> $cross
1789 if test "$cross_compile" = "yes"; then
1790 echo "[host_machine]" >> $cross
1791 echo "system = '$targetos'" >> $cross
1792 case "$cpu" in
1793 i386)
1794 echo "cpu_family = 'x86'" >> $cross
1797 echo "cpu_family = '$cpu'" >> $cross
1799 esac
1800 echo "cpu = '$cpu'" >> $cross
1801 if test "$bigendian" = "yes" ; then
1802 echo "endian = 'big'" >> $cross
1803 else
1804 echo "endian = 'little'" >> $cross
1806 cross_arg="--cross-file config-meson.cross"
1808 native="config-meson.native.new"
1809 echo "# Automatically generated by configure - do not modify" > $native
1810 echo "[binaries]" >> $native
1811 echo "c = [$(meson_quote $host_cc)]" >> $native
1812 mv $native config-meson.native
1813 cross_arg="$cross_arg --native-file config-meson.native"
1814 else
1815 cross_arg="--native-file config-meson.cross"
1817 mv $cross config-meson.cross
1819 rm -rf meson-private meson-info meson-logs
1821 # Built-in options
1822 test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1823 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1824 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1825 test "$static" = yes && meson_option_add -Dprefer_static=true
1826 test "$pie" = no && meson_option_add -Db_pie=false
1827 test "$werror" = yes && meson_option_add -Dwerror=true
1829 # QEMU options
1830 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1831 test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1832 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1833 test "$plugins" = yes && meson_option_add "-Dplugins=true"
1834 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1835 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1836 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1837 run_meson() {
1838 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1840 eval run_meson $meson_options
1841 if test "$?" -ne 0 ; then
1842 error_exit "meson setup failed"
1844 echo "$meson" > build.ninja.stamp
1845 else
1846 if test -f meson-private/cmd_line.txt; then
1847 # Adjust old command line options that were removed
1848 # sed -i is not portable
1849 perl -i -ne '
1850 /^sphinx_build/ && next;
1851 print;' meson-private/cmd_line.txt
1855 # Save the configure command line for later reuse.
1856 cat <<EOD >config.status
1857 #!/bin/sh
1858 # Generated by configure.
1859 # Run this file to recreate the current configuration.
1860 # Compiler output produced by configure, useful for debugging
1861 # configure, is in config.log if it exists.
1864 preserve_env() {
1865 envname=$1
1867 eval envval=\$$envname
1869 if test -n "$envval"
1870 then
1871 echo "$envname='$envval'" >> config.status
1872 echo "export $envname" >> config.status
1873 else
1874 echo "unset $envname" >> config.status
1878 # Preserve various env variables that influence what
1879 # features/build target configure will detect
1880 preserve_env AR
1881 preserve_env AS
1882 preserve_env CC
1883 preserve_env CFLAGS
1884 preserve_env CXX
1885 preserve_env CXXFLAGS
1886 preserve_env LD
1887 preserve_env LDFLAGS
1888 preserve_env LD_LIBRARY_PATH
1889 preserve_env NM
1890 preserve_env OBJCFLAGS
1891 preserve_env OBJCOPY
1892 preserve_env PATH
1893 preserve_env PKG_CONFIG
1894 preserve_env PKG_CONFIG_LIBDIR
1895 preserve_env PKG_CONFIG_PATH
1896 preserve_env PYTHON
1897 preserve_env QEMU_GA_MANUFACTURER
1898 preserve_env QEMU_GA_DISTRO
1899 preserve_env QEMU_GA_VERSION
1900 preserve_env SDL2_CONFIG
1901 preserve_env SMBD
1902 preserve_env STRIP
1903 preserve_env WIDL
1904 preserve_env WINDRES
1905 preserve_env WINDMC
1907 printf "exec" >>config.status
1908 for i in "$0" "$@"; do
1909 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1910 done
1911 echo ' "$@"' >>config.status
1912 chmod +x config.status
1914 rm -r "$TMPDIR1"